OpenTechnical

OT-2026-000084879

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084879) never changes.

Identity and time

Publication numberOT-2026-000084879 · never reused
Internal UUID01a0ae99-43b4-7d04-95d9-06e847972648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084879
StatusPUBLIC

Content hashes

Canonical text3d45a399157f46aa3337521387f67623de6b84efbef1a79db8a078990186e4f9
Markdown9c143360ae774f93df6f66c2fe35955ac194a2f1c811cd58e7805047f13bfda3
PDF
Publication page6bede8f6d8b8e2111518c4eab31c7c65e2fc990874848f518b169cd2903a4cc0
Manifest653188653880b2ea253614c8f9556378b236868f6367380643d691b88a81f617

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerVwn/VvlI3FuR0IyddvkRtAxZOCENiyXlISpzUJsWgj1aO2RhvwJMIqQIPgUPMtz/72JCnu1bJP1yu6gDnJ/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:49.919365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084879
observed 6bede8f6d8b8e2111518c4eab31c7c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:49.899858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084879/manifest.json
observed 653188653880b2ea253614c8f9556378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:49.843216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084879/publication.md
observed 9c143360ae774f93df6f66c2fe35955a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:49.746422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084879/publication.txt
observed 3d45a399157f46aa3337521387f67623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.